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Sekkaisawa, Chichibu mining district (Chichibu mine), Nakatsugawa, Ohtaki-mura, Chichibu City, Saitama, Japani
Regional Level Types
Sekkaisawa- not defined -
Chichibu mining district (Chichibu mine)Mining District
Nakatsugawa- not defined -
Ohtaki-mura- not defined -
Chichibu CityCity

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Location is approximate, estimate based on other nearby localities.
Latitude & Longitude (WGS84): 35° North , 138° East (est.)
Margin of Error:~1km
Köppen climate type:Dfb : Warm-summer humid continental climate

No description has been added for this locality. Can you add one?

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List

3 valid minerals.

Detailed Mineral List:

Formula: Ca(Mg,Al)3(Al3SiO10)(OH)2
Reference: Nakamura, H. (2000) Suisyou, 13, #1, 58.
Formula: CaB(SiO4)(OH)
Reference: Suzuki, S. (2009) Suisyou, 10, #1, 4-5.
Formula: MgAl2O4
Description: blue
Reference: Nakamura, H. (2000) Suisyou, 13, #1, 58.
Spinel var: Pleonaste
Formula: (Mg,Fe)Al2O4
Reference: Yamada, S. (2004) Nihonsan-koubutsu Gojuon-hairetsu Sanchi-ichiranhyou (111 pp.)

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
var: Pleonaste4.BB.05(Mg,Fe)Al2O4
Group 9 - Silicates

List of minerals arranged by Dana 8th Edition classification

Group 54 - NESOSILICATES Borosilicates and Some Beryllosilicates
Borosilicates and Some Beryllosilicates with B in [4] coordination
Group 71 - PHYLLOSILICATES Sheets of Six-Membered Rings
Sheets of 6-membered rings with 2:1 layers
Unclassified Minerals, Rocks, etc.
var: Pleonaste

List of minerals for each chemical element

H ClintoniteCa(Mg,Al)3(Al3SiO10)(OH)2
H DatoliteCaB(SiO4)(OH)
B DatoliteCaB(SiO4)(OH)
O ClintoniteCa(Mg,Al)3(Al3SiO10)(OH)2
O DatoliteCaB(SiO4)(OH)
O Spinel (var: Pleonaste)(Mg,Fe)Al2O4
O SpinelMgAl2O4
Mg ClintoniteCa(Mg,Al)3(Al3SiO10)(OH)2
Mg Spinel (var: Pleonaste)(Mg,Fe)Al2O4
Mg SpinelMgAl2O4
Al ClintoniteCa(Mg,Al)3(Al3SiO10)(OH)2
Al Spinel (var: Pleonaste)(Mg,Fe)Al2O4
Al SpinelMgAl2O4
Si ClintoniteCa(Mg,Al)3(Al3SiO10)(OH)2
Si DatoliteCaB(SiO4)(OH)
Ca ClintoniteCa(Mg,Al)3(Al3SiO10)(OH)2
Ca DatoliteCaB(SiO4)(OH)
Fe Spinel (var: Pleonaste)(Mg,Fe)Al2O4

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